Mercedes Benz Workshop Service and Repair Manuals > 350SDL (126.135) L6-3.5L DSL Turbo (603.970) (1990) > Heating and Air Conditioning | Heater Box <--> [Heater Core Case] | Component Information | Service and Repair | With A/C | Page 4499

With A/C|Page 4500 > < With A/C|Page 4498

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14

Loosen cable straps (see arrow) for main cable harness on heater unit.

15

Detach air duct for fresh air nozzle, left and right on heater unit.

16

Disconnect 2-pole coupler from temperature sensors (6 and 7).

Heating and Air Conditioning
Heater Box <--> [Heater Core Case] / Service and Repair / With A/C
Page 4499

With A/C|Page 4500 > < With A/C|Page 4498